“You never know what's in a person's heart until they're tested, do you?”
“You can't really know what you are made of until you are tested.”
“You never know just what you can do until you try.”
“You will never know what you are doing until and unless you have done it.”
“One never knows what they're capable of until they try.”
“Sometimes our work as caregivers is not for the faint of heart. But, you will never know what you are made of until you step into the fire. Step bravely!”